Diary of a Wimpy Kid · #20

Partypooper

Jeff Kinney

9.7 / 10
30 expectations

It’s Greg’s birthday—and you’re invited to the chaos. In Partypooper, the 20th book in Jeff Kinney’s global smash-hit Diary of a Wimpy Kid series, Greg Heffley is planning the ultimate party—for himself.

But when the guest list grows, the decorations flop, and the surprises backfire, this birthday bash turns into a total blowout—just not the kind Greg had in mind.

Packed with cake disasters, family fiascos, and classic Wimpy Kid humor, this book is perfect for readers ages 8–12.

Published
October 21, 2025
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Additional book details

Author

Jeff Kinney

Jeff Kinney’s journey to becoming one of the most beloved figures in children's literature is as much about humor and heart as it is about the trials of growing up. Born in Fort Washington, Maryland, and raised in the Washington, D.C., area, Kinney’s early love for storytelling was fueled by his knack for drawing and creating characters who felt just as real as the people around him. But it wasn’t until his time at the University of Maryland, where he began drawing the comic strip "Igdoof" for the campus newspaper, that his dream of becoming a cartoonist began to take shape. Kinney’s big breakthrough came with the creation of Diary of a…